Engine

132" High Compression / 136" Big Bore Kit — 132", 136", stroke 4-1/2", 4-5/8"

-€346.84

S&S CYCLE 132" High Compression / 136" Big Bore Kit — 132", 136", stroke...

132" high-compression kit fits 114"/117" motors with 4-1/2" stroke flywheels; 136" requires a 4-5/8" S&S flywheel (sold separately).

€1,349.11 €1,695.95

-€346.84

S&S CYCLE Big Bore Kit — 132", 136", 4-1/2" stroke, 4-5/8" stroke

132" high-compression kit fits 114"/117" motors with a 4-1/2" stroke flywheel only. 136" big-bore requires an S&S 4-5/8" stroke flywheel (sold separately).

€1,349.11 €1,695.95

132" High Compression / 136" Big Bore Kit — 4-1/2" & 4-5/8" stroke

-€346.84

S&S CYCLE 132" High Compression / 136" Big Bore Kit — 4-1/2" & 4-5/8"...

High-compression big bore kit increases compression and torque; requires a specific longer-stroke flywheel to reach the larger big bore (sold separately).

€1,349.11 €1,695.95

132" High Compression / 136" Big Bore Kit — 132 cu in, 136 cu in, 4.5 in stroke, 4.625 in stroke, Black

-€346.84
New

S&S CYCLE 132" High Compression / 136" Big Bore Kit — 132 cu in, 136 cu...

High-compression kit enabling 132" or 136" big bore capability; requires specific stroke flywheels. S&S flywheel needed for 136" (sold separately).

€1,349.11 €1,695.95

132" High Compression / 136" Big Bore Kit — 4-1/2" stroke, 4-5/8" stroke

-€346.84
New

S&S CYCLE 132" High Compression / 136" Big Bore Kit — 4-1/2" stroke,...

Fits 114"/117" motors with 4-1/2" stroke flywheels; 136" build requires S&S 4-5/8" flywheel (sold separately).

€1,349.11 €1,695.95

On sale!
-€75.48
New

S&S CYCLE 640 Easy Start Camshaft Kit — 0.635" lift, 635 series grind

Reduces starting compression for easier starts on 95"/96"/103"/110" engines; runs with full compression once started. Made in the USA.

€294.14 €369.62

-€249.93
New

S&S CYCLE Cam Chest Kit without Cams for Gear Drive Twin Cam — Oil...

Complete cam chest kit (without cams) for Gear Drive Twin Cam — improves oil flow, reduces valve-train noise, and includes pushrods, tappets, and tappet cuffs.

€973.86 €1,223.79

-€336.15
New

S&S CYCLE Big Bore Cylinder Kit — Bore 4.320", 129 cu in

Retains original engine serial numbers
MLS (Multi-Layered Steel) head gaskets
Retains stock engine height and bolt pattern
Works with stock crankcase
Not compatible with VVT models

€1,307.56 €1,643.71

MK136 Engine with 550G Cam — 550G camshaft, oil-cooled

-€395.49

S&S CYCLE MK136 Engine with 550G Cam — 550G camshaft, oil-cooled

Black Edition powerplant for closed-course competition. Made in the USA.

€11,197.40 €11,592.89

-€395.49

S&S CYCLE MK136 Engine with 475G Cam — Oil‑cooled

Black Edition MK136 engine with 475G camshaft. Made in the USA. For oil-cooled applications; closed-course competition use only.

€11,197.40 €11,592.89

132" High Compression / 136" Big Bore Kit — 132"/136", 4-1/2"–4-5/8" stroke

-€346.84

S&S CYCLE 132" High Compression / 136" Big Bore Kit — 132"/136",...

High-compression big-bore kit for V-twin performance builds; requires the correct flywheel for larger bore increases (flywheel sold separately).

€1,349.11 €1,695.95

-€325.30

S&S CYCLE 96" Big Bore Kit — 3.625" bore, 4-5/8" stroke, Black

Complete 96" big bore kit includes cylinders, pistons, rings and gaskets; made in the U.S.A.; requires crankcase boring and a skilled technician for installation.

€1,265.05 €1,590.35

-€335.32
New

S&S CYCLE Cylinder Kit — 4.250 in bore, 4.375 in stroke

Precision cylinder kit with updated profile and stock bolt pattern. Not for 121" CVO models.

€1,304.28 €1,639.60

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